package com.design.pattern.designPrinciples.liskovSubstitution;/** * create by yufeng on 2021/7/3 16:11 */public class Rectangle implements QuadRangle {    private long height;    private long width;    public long getHeight() {        return height;    }    public void setHeight(long height) {        this.height = height;    }    public long getWidth() {        return width;    }    public void setWidth(long width) {        this.width = width;    }}